1. Which of the following best describes a chromosome? 1. Tighty coiled segment of DNA. 2. Always made of sister chromatid 3. All of these choices describe chromosomes equally well. 4. Visible structures shown on karyotypes

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Why is taking care of yourself a time management techique

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.